On Presupposition

On Presupposition
Abstract
This paper presents a list of presupposition-triggers which seem to give rise to presupposition and the ways in which presuppositions are cancelled. Presupposition is quite sensitive to the background knowledge of the language users, so it is more of a pragmatic notion.
Presupposition was originally of philosophersf concern. The first to probe into this subject was Frege who raised the famous example of Kepler died in misery and said that there is a presupposition that the name KEPLER designa...